| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (301) 484-00** | (301) 484-0000 - (301) 484-0099 | 86 |
| (301) 484-01** | (301) 484-0100 - (301) 484-0198 | 90 |
| (301) 484-02** | (301) 484-0201 - (301) 484-0299 | 86 |
| (301) 484-03** | (301) 484-0300 - (301) 484-0399 | 89 |
| (301) 484-04** | (301) 484-0400 - (301) 484-0499 | 88 |
| (301) 484-05** | (301) 484-0500 - (301) 484-0598 | 90 |
| (301) 484-06** | (301) 484-0600 - (301) 484-0699 | 84 |
| (301) 484-07** | (301) 484-0700 - (301) 484-0798 | 73 |
| (301) 484-08** | (301) 484-0800 - (301) 484-0899 | 88 |
| (301) 484-09** | (301) 484-0900 - (301) 484-0999 | 82 |
US Phone Directory: (301) 484-0***
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